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        <figure class="highlight c++"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br></pre></td><td class="code"><pre><span class="line"><span class="function">SPISettings <span class="title">spi_settings</span><span class="params">(<span class="number">4000000</span>, MSBFIRST, SPI_MODE0)</span></span>;</span><br><span class="line"><span class="function">GxEPD2_BW&lt;GxEPD2_290, GxEPD2_290::HEIGHT&gt; <span class="title">display</span><span class="params">(GxEPD2_290(<span class="comment">/*CS*/</span> <span class="number">15</span>, <span class="comment">/*DC*/</span> <span class="number">0</span>, <span class="comment">/*RST*/</span> <span class="number">2</span>, <span class="comment">/*BUSY*/</span> <span class="number">4</span>))</span></span>;                         <span class="comment">// GDEM029A01</span></span><br><span class="line"><span class="comment">//GxEPD2_BW&lt;GxEPD2_290_T94, GxEPD2_290_T94::HEIGHT&gt; display(GxEPD2_290_T94(/*CS=D8*/ 15, /*DC=D3*/ 0, /*RST=D4*/ 2, /*BUSY=D2*/ 4)); // GDEM029T94</span></span><br><span class="line"><span class="comment">//GxEPD2_BW&lt;GxEPD2_290_T94_V2, GxEPD2_290_T94_V2::HEIGHT&gt; display(GxEPD2_290_T94_V2(/*CS*/ 15, /*DC*/ 0, /*RST*/ 2, /*BUSY*/ 4));    // GDEM029T94, Waveshare 2.9&quot; V2 variant</span></span><br><span class="line"><span class="comment">//GxEPD2_BW&lt;GxEPD2_290_I6FD, GxEPD2_290_I6FD::HEIGHT&gt; display(GxEPD2_290_I6FD(/*CS=15*/ SS, /*DC=4*/ 4, /*RST=2*/ 2, /*BUSY=5*/ 5)); // GDEW029I6FD</span></span><br><span class="line"><span class="comment">//GxEPD2_BW&lt;GxEPD2_290_T5, GxEPD2_290_T5::HEIGHT&gt; display(GxEPD2_290_T5(/*CS=D8*/ 15, /*DC=D3*/ 0, /*RST=D4*/ 2, /*BUSY=D2*/ 4));    // GDEW029T5</span></span><br><span class="line"><span class="comment">//GxEPD2_BW&lt;GxEPD2_290_T5D, GxEPD2_290_T5D::HEIGHT&gt; display(GxEPD2_290_T5D(/*CS=D8*/ 15, /*DC=D3*/ 0, /*RST=D4*/ 2, /*BUSY=D2*/ 4));   // GDEW029T5D</span></span><br><span class="line"><span class="comment">//GxEPD2_BW&lt;GxEPD2_290_M06, GxEPD2_290_M06::HEIGHT&gt; display(GxEPD2_290_M06(/*CS=D8*/ 15, /*DC=D3*/ 0, /*RST=D4*/ 2, /*BUSY=D2*/ 4)); // GDEW029M06</span></span><br><span class="line"><span class="comment">//GxEPD2_3C&lt;GxEPD2_290c, GxEPD2_290c::HEIGHT&gt; display(GxEPD2_290c(/*CS*/ 15, /*DC*/ 0, /*RST*/ 2, /*BUSY*/ 4));                      // GDEW029Z10</span></span><br><span class="line"></span><br><span class="line"><span class="function">GxEPD2_BW&lt;GxEPD2_260, GxEPD2_260::HEIGHT&gt; <span class="title">display</span><span class="params">(GxEPD2_260(<span class="comment">/*CS=D8*/</span> <span class="number">15</span>, <span class="comment">/*DC=D3*/</span> <span class="number">4</span>, <span class="comment">/*RST=D4*/</span> <span class="number">2</span>, <span class="comment">/*BUSY=D2*/</span> <span class="number">5</span>))</span></span>; <span class="comment">// GDEW026T0 152x296, UC8151 (IL0373)</span></span><br><span class="line">U8G2_FOR_ADAFRUIT_GFX u8g2Fonts;</span><br><span class="line"><span class="meta">#<span class="keyword">define</span> baise  GxEPD_WHITE  <span class="comment">//白色</span></span></span><br><span class="line"><span class="meta">#<span class="keyword">define</span> heise  GxEPD_BLACK  <span class="comment">//黑色</span></span></span><br></pre></td></tr></table></figure>

<figure class="highlight c++"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line"><span class="function">GxEPD2_BW&lt;GxEPD2_290_T94, GxEPD2_290_T94::HEIGHT&gt; <span class="title">display</span><span class="params">(GxEPD2_290_T94(<span class="comment">/*CS=D8*/</span> <span class="number">15</span>, <span class="comment">/*DC=D3*/</span> <span class="number">0</span>, <span class="comment">/*RST=D4*/</span> <span class="number">2</span>, <span class="comment">/*BUSY=D2*/</span> <span class="number">4</span>))</span></span>;</span><br></pre></td></tr></table></figure>

<p>1.54 2.13 2.9寸用3R</p>
<p>2.7 4.2 7.5和所有类型的三色屏用0.47R</p>
<p><img src="https://yqypicbed.oss-cn-hangzhou.aliyuncs.com/typoraoss/image-20230218202830126.png" alt="image-20230218202830126"></p>
<p><img src="https://yqypicbed.oss-cn-hangzhou.aliyuncs.com/typoraoss/image-20230226012158278.png" alt="image-20230226012158278"></p>
<img src="https://yqypicbed.oss-cn-hangzhou.aliyuncs.com/typoraoss/rhhtMNlg9ZZ1aOvjbsOPnUp9jUV43gBqrNhlI9LM.png" alt="image.png" style="zoom:50%;" />





<h1 id="型号整理"><a href="#型号整理" class="headerlink" title="型号整理"></a>型号整理</h1><p>hink42：OPM42</p>
<p>fpc194:epd4in2b_v2</p>
<p>驱动板引脚：</p>
<img src="https://yqypicbed.oss-cn-hangzhou.aliyuncs.com/typoraoss/image-20230215173523440.png" alt="image-20230215173523440" style="zoom:50%;" />

<blockquote>
<p>GxEPD2_BW&lt;GxEPD2_290_T94, GxEPD2_290_T94::HEIGHT&gt; display(GxEPD2_290_T94(&#x2F;<em>CS&#x3D;D8</em>&#x2F; 15, &#x2F;<em>DC&#x3D;D3</em>&#x2F; 4, &#x2F;<em>RST&#x3D;D4</em>&#x2F; 1, &#x2F;<em>BUSY&#x3D;D2</em>&#x2F; 5)); &#x2F;&#x2F; GDEM029T94</p>
</blockquote>
<p><img src="https://yqypicbed.oss-cn-hangzhou.aliyuncs.com/typoraoss/image-20230215182017580.png" alt="image-20230215182017580"></p>
<table>
<thead>
<tr>
<th>EPD board</th>
<th>NodeMCU pin</th>
<th>ESP8266 pin</th>
<th>description</th>
</tr>
</thead>
<tbody><tr>
<td>BUSY</td>
<td>D1</td>
<td>GPIO5</td>
<td>屏幕刷新忙</td>
</tr>
<tr>
<td>RES&#x2F;RST</td>
<td>D4</td>
<td>2</td>
<td>复位</td>
</tr>
<tr>
<td>DC</td>
<td>D2</td>
<td>4</td>
<td>Data&#x2F;Command 信号</td>
</tr>
<tr>
<td>CS</td>
<td>D8</td>
<td>15</td>
<td>片选</td>
</tr>
<tr>
<td>CLK&#x2F;SCK</td>
<td>D5</td>
<td>14</td>
<td>SPI 时钟</td>
</tr>
<tr>
<td>DIN&#x2F;SDA</td>
<td>D7</td>
<td>13</td>
<td>SPI MOSI</td>
</tr>
</tbody></table>
<figure class="highlight c++"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br></pre></td><td class="code"><pre><span class="line"><span class="meta">#<span class="keyword">define</span> CS 15</span></span><br><span class="line"><span class="meta">#<span class="keyword">define</span> RST 2</span></span><br><span class="line"><span class="meta">#<span class="keyword">define</span> DC 4</span></span><br><span class="line"><span class="meta">#<span class="keyword">define</span> BUSY 5</span></span><br><span class="line"><span class="meta">#<span class="keyword">define</span> CLK 14</span></span><br><span class="line"><span class="meta">#<span class="keyword">define</span> DIN 13</span></span><br><span class="line"></span><br><span class="line">OPM42</span><br></pre></td></tr></table></figure>



<figure class="highlight c++"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br></pre></td><td class="code"><pre><span class="line"></span><br><span class="line">Compilation error: extended character   is <span class="keyword">not</span> valid in an identifier</span><br><span class="line"></span><br></pre></td></tr></table></figure>













<p><img src="https://yqypicbed.oss-cn-hangzhou.aliyuncs.com/typoraoss/image-20230312191954921.png" alt="image-20230312191954921"></p>
<h1 id="213"><a href="#213" class="headerlink" title="213"></a>213</h1><figure class="highlight c++"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br></pre></td><td class="code"><pre><span class="line"><span class="function">GxEPD2_BW&lt;GxEPD2_213_B74, GxEPD2_213_B74::HEIGHT&gt; <span class="title">display</span><span class="params">(GxEPD2_213_B74(<span class="comment">/*CS=10*/</span> <span class="number">15</span>, <span class="comment">/*DC=*/</span> <span class="number">4</span>, <span class="comment">/*RST=*/</span> <span class="number">2</span>, <span class="comment">/*BUSY=*/</span> <span class="number">5</span>))</span></span>; <span class="comment">// GDEM0213B74 128x250, SSD1680</span></span><br><span class="line"></span><br></pre></td></tr></table></figure>



<h1 id="2-6"><a href="#2-6" class="headerlink" title="2.6"></a>2.6</h1><p>GxEPD2_260</p>

      
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